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Proof step 26 from proof save-same-payload-same (previous step)

# zbrar1 = BRANCH_SIZE, # zbrar0 = BRANCH_SIZE, mkentry(key', adr) = save(zbrar1[n + m0]), mkzentry(key', adr) = zbrar0[n + m0], payload(zbrar1, n, m0) = payload(zbrar0, n, m0), save(zbrar1, n, m0) = save(zbrar0, n, m0), n + m0 < BRANCH_SIZE ⊦ payload(zbrar0, n, m0) ⊕ (∅)[key', adr] = payload(zbrar0, n, m0) ⊕ ∅, zbrar1[n + m0].entry?

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 27:
# zbrar0 = BRANCH_SIZE, # zbrar1 = BRANCH_SIZE, mkentry(key', adr) = save(zbrar1[n + m0]), mkzentry(key', adr) = zbrar0[n + m0], payload(zbrar1, n, m0) = payload(zbrar0, n, m0), save(zbrar1, n, m0) = save(zbrar0, n, m0), n + m0 < BRANCH_SIZE ⊦ payload(zbrar0, n, m0) ⊕ (∅)[key', adr] = payload(zbrar0, n, m0), zbrar1[n + m0].entry?

Rule argument

Additional information

Used simplifier rules: oplus-empty: ⊦ ri ⊕ ∅ = ri; from specification store+set[node-index]